Formby Bay Weather Forecast
- 9
- 17
Mostly sunny
- 10
- 19
Mostly sunny
- 9
- 18
Cloud clearing
- 9
- 17
Sunny
- 8
- 18
Sunny
- 12
- 19
Shower or two
- 10
- 17
Partly cloudy
Today 27 Aug Yorke Peninsula
Mostly sunny. Winds northerly 15 to 25 km/h becoming light in the late afternoon. Daytime maximum temperatures around 18.
Central Coastal Waters
- Wind
- Northerly 10 to 15 knots decreasing to about 10 knots in the late afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 2.5 metres, tending westerly 2.5 metres during the morning, then tending west to southwesterly 2.5 to 3 metres during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure ridge over central SA will move slowly eastwards during today. A low pressure trough over WA is expected to extend over the far west of SA late Thursday and Friday. A high pressure system will move across waters to the south over the weekend to be centred over southern Victoria late Sunday.
Formby Bay Temperature Statistics View More
August Temperature
Stenhouse Bay (24km)
Lowest 1 August, 2026
4.5 °CAverage August
12.8 °CHighest 18 August, 2026
19.9 °C
Climate (2021–2026)
Stenhouse Bay (24km)
Average Low 2021–2026
13.2 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C